Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having height of the last peak equal to k (1 <= k <= n).

A128745

Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having height of the last peak equal to k (1 <= k <= n).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =2a(4) =4a(5) =4a(6) =6a(7) =10a(8) =12a(9) =8a(10) =21a(11) =32a(12) =36a(13) =32a(14) =16a(15) =79a(16) =116a(17) =124a(18) =112a(19) =80a(20) =32a(21) =311a(22) =448a(23) =468a(24) =416a(25) =320a(26) =192a(27) =64a(28) =1265a(29) =1800

External references